Cable modem



FIG. 1 is a top view of the cable modem showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top, left, and front perspective view thereof; and,

FIG. 8 is a bottom, rear, and left perspective view thereof.

The claimed design is not to be limited to the scale shown in the drawings. 

The ornamental design for a cable modem, as shown and described. 